Brown, L. L., Rule, A. R., & Daellenbach, C. B. (1981). Characterization and beneficiation of phosphate-bearing rocks from northern Michigan. United States. Dept. of the interior, Bureau of Mines.
Chicago Style (17th ed.) CitationBrown, L. L., A. R. Rule, and C. B. Daellenbach. Characterization and Beneficiation of Phosphate-bearing Rocks from Northern Michigan. [Washington]: United States. Dept. of the interior, Bureau of Mines, 1981.
MLA (9th ed.) CitationBrown, L. L., et al. Characterization and Beneficiation of Phosphate-bearing Rocks from Northern Michigan. United States. Dept. of the interior, Bureau of Mines, 1981.
Warning: These citations may not always be 100% accurate.